Ibu Volcano Volcanic Ash Advisory: VA TO FL070 LAST REP AT 01/1347Z MOV W EST VA DTG: 01/1440Z to 7000 ft (2100 m)

Satellite image of Ibu volcano on 1 Apr 2026

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .
The full report is as follows:

FVAU01 at 14:56 UTC, 01/04/26 from ADRM
VA ADVISORY
DTG: 20260401/1500Z
VAAC: DARWIN
VOLCANO: IBU 268030
PSN: N0129 E12738
AREA: INDONESIA
SOURCE ELEV: 1325M AMSL
ADVISORY NR: 2026/371
INFO SOURCE: HIMAWARI-9, CVGHM
ERUPTION DETAILS: VA TO FL070 LAST REP AT 01/1347Z MOV W
EST VA DTG: 01/1440Z
EST VA CLD: SFC/FL070 N0129 E12753 – N0108 E12735 – N0116
E12717 – N0137 E12714 – N0145 E12739 MOV W 05KT
FCST VA CLD +6 HR: 01/2040Z SFC/FL070 N0131 E12751 – N0107
E12738 – N0116 E12718 – N0132 E12713 – N0143 E12738
FCST VA CLD +12 HR: 02/0240Z SFC/FL070 N0135 E12743 – N0110
E12743 – N0109 E12726 – N0123 E12717 – N0137 E12735
FCST VA CLD +18 HR: 02/0840Z SFC/FL070 N0136 E12735 – N0135
E12743 – N0109 E12746 – N0114 E12720
RMK: INTERMITTENT VA EMISSIONS IDENTIFIED ON EARLIER VISIBLE
AND RGB SAT IMAGERY, NOW OBSCURED BY MET CLOUD. HEIGHT AND
MOVEMENT BASED ON SAT IMAGERY, GROUND REPORTS AND MODEL
GUIDANCE. WINDS LIGHT AND VARIABLE REDUCING FORECAST
CONFIDENCE.
NXT ADVISORY: NO LATER THAN 20260401/2100Z=

Shiveluch Volcano Volcanic Ash Advisory: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG: 01/1120Z to 29000 ft (8800 m)

Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 29000 ft (8800 m) altitude or flight level 290 and is moving at 20 kts in E direction.
The full report is as follows:

FVFE01 at 12:00 UTC, 01/04/26 from RJTD
VA ADVISORY
DTG: 20260401/1200Z
VAAC: TOKYO
VOLCANO: SHEVELUCH 300270
PSN: N5639 E16122
AREA: RUSSIA
SOURCE ELEV: 3283M AMSL
ADVISORY NR: 2026/110
INFO SOURCE: HIMAWARI-9
ERUPTION DETAILS: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY
OBS VA DTG: 01/1120Z
OBS VA CLD: SFC/FL290 N5922 E16413 – N5923 E16654 – N5712 E17123 –
N5622 E17040 MOV E 20KT
FCST VA CLD +6 HR: 01/1720Z SFC/FL300 N5744 E17406 – N5539 E17546 –
N5959 E16315 – N6033 E16747
FCST VA CLD +12 HR: 01/2320Z SFC/FL300 N5920 E17519 – N5353 W17901 –

N6059 E16331 – N6117 E17001
FCST VA CLD +18 HR: 02/0520Z SFC/FL290 N6010 E17752 – N5149 W17452 –

N5926 E17211 – N6033 E16642 – N6153 E16518 – N6148 E17328
RMK: SOME PART OF VA OBSCURED BY MET CLOUD.
NXT ADVISORY: 20260401/1800Z=